A driver was critically injured early Monday when he hit a deer and swerved into oncoming traffic on Route 29 in Ewing, where his car crashed into two other vehicles, police said.

The man was traveling northbound on Route 29 between Lower Ferry Road and Upper Ferry Road when he hit the deer and crashed into two vehicles in the southbound lanes, police said.

The man, who has not been identified, was found outside his vehicle with injuries to his head, ribs and shoulder, police said. Officers and medical personnel arrived at the scene just before 6 a.m., and the man was taken to a nearby hospital.

The other two drivers sustained injuries as well -- one sustained a knee injury and has been released, and the other remains in medical care with a broken femur, police said.

West Trenton Fire Company, Ewing Police and other county officials responded to the scene and are investigating the crash, police said. Route 29 between Lower Ferry Road and Upper Ferry Road was closed until about 11:30, Lt. David LaBaw with Ewing Police said.